In this Wednesday, July 25, 2012 photo, a pregnant woman is examined as she waits to give birth at a public hospital in Rio de Janeiro. Brazil has one of the world’s highest rates of cesarean births – the result of a widely held belief that in this particular field, surgery trumps nature. But some women are beginning to rebel, and the government is on their side with big money to spend on promoting natural birth. (AP Photo/Felipe Dana)